<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide v-for='(page, index) of pages' :key='index'>
      <div class="icon" v-for='item of page' :key='item.id'>
        <div class="icon-img">
          <img class="icon-img-content" :src="item.imgUrl" />
        </div>
        <p class="icon-desc">{{item.desc}}</p>
      </div>
      </swiper-slide>
 </swiper>
  </div>
</template>

<script>
export default{
  name: 'HomeIcons',
  props: {
    list: Array
  },
   data () {
    return {
      swiperOption: {
        // 轮播不自动滚动
        pagination: '.swiper-pagination',
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
/*图标多个左右滑 高度是一样的*/
  .icons >>> .swiper-container
    height: 0
    padding-bottom: 50%
  .icon
    position: relative
    overflow: hidden
    float: left
    width: 25%
    height: 0
    padding-bottom: 25%
    .icon-img
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: .44rem
      box-sizing: border-box
      padding: .1rem
     .icon-img-content
        display: block
        margin: 0 auto
        height: 100%
    .icon-desc
        position: absolute
        left: 0
        right: 0
        bottom: 0
        height: .44rem
        line-height: .44rem
        text-align: center
        color: $darkTextColor
        ellipsis()
</style>
